SUPER MICRO COMPUTER INC SMCI
COM NEW · Common Stock · CUSIP 86800U302 · ISIN US86800U3023
- SectorTechnology
- IndustryElectronic Computers
- HeadquartersSan Jose, CA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($17.5m this quarter). Holder counts are more reliable. Shares outstanding: 601.4m as of 2026-04-30, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $22.77. Options: 60 managers hold calls ($2.5bn notional), 69 hold puts ($2.3bn).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q4 2023 | 1 |
| Q1 2024 | 1 |
| Q2 2024 | 5 |
| Q3 2024 | 63 |
| Q4 2024 | 674 |
| Q1 2025 | 749 |
| Q2 2025 | 825 |
| Q3 2025 | 843 |
| Q4 2025 | 751 |
| Q1 2026 | 705 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 5 | 0 |
| Q3 2024 | 61 | 3 |
| Q4 2024 | 615 | 21 |
| Q1 2025 | 460 | 299 |
| Q2 2025 | 471 | 339 |
| Q3 2025 | 443 | 410 |
| Q4 2025 | 321 | 501 |
| Q1 2026 | 356 | 378 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $5.1bn | $4.5bn | 0.87 |
| Q3 2025 | $5.3bn | $4.9bn | 0.93 |
| Q4 2025 | $3.4bn | $3.2bn | 0.95 |
| Q1 2026 | $2.5bn | $2.3bn | 0.91 |
Biggest buyers
| MARSHALL WACE, LLP | Added | +7.1m |
| Defiance ETFs, LLC | New | +6.2m |
| UBS Group AG | Added | +4.7m |
| JANE STREET GROUP, LLC | Added | +4.3m |
| HAWK RIDGE CAPITAL MANAGEMENT LP | New | +2.3m |
| Invesco Ltd. | Added | +1.9m |
| WELLS FARGO & COMPANY/MN | Added | +1.9m |
| BlackRock, Inc. | Added | +1.7m |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Added | +1.1m |
| BANK OF AMERICA CORP /DE/ | Added | +960.5k |
Biggest sellers
| CITADEL ADVISORS LLC | Reduced | -5.0m |
| DISCIPLINED GROWTH INVESTORS INC /MN | Reduced | -4.7m |
| MORGAN STANLEY | Reduced | -3.6m |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -1.7m |
| PEAK6 LLC | Reduced | -1.6m |
| GOLDMAN SACHS GROUP INC | Reduced | -1.4m |
| Belvedere Trading LLC | Sold out | -1.3m |
| BANK OF MONTREAL /CAN/ | Reduced | -1.2m |
| MUFG Securities EMEA plc | Reduced | -1.0m |
| CANADA PENSION PLAN INVESTMENT BOARD | Reduced | -912.2k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $628.8m27.6m shares |
| JANE STREET GROUP, LLC | Added | $416.5m18.3m shares |
| CITADEL ADVISORS LLC | Added | $246.8m10.8m shares |
| Tidal Investments LLC | Added | $219.2m9.6m shares |
| IMC-Chicago, LLC | Reduced | $173.3m7.6m shares |
| D. E. Shaw & Co., Inc. | Reduced | $145.7m6.4m shares |
| Belvedere Trading LLC | Added | $86.1m3.8m shares |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | $75.7m33.2k shares |
| TORONTO DOMINION BANK | Unchanged | $68.3m3.0m shares |
| SIMPLEX TRADING, LLC | Reduced | $63.4m2.8m shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $324.5m14.3m shares |
| JANE STREET GROUP, LLC | Added | $309.6m13.6m shares |
| CITADEL ADVISORS LLC | Reduced | $194.8m8.6m shares |
| IMC-Chicago, LLC | Reduced | $138.8m6.1m shares |
| MILLENNIUM MANAGEMENT LLC | Added | $111.6m4.9m shares |
| WHITEBOX ADVISORS LLC | Added | $104.7m4.6m shares |
| WELLS FARGO & COMPANY/MN | Added | $99.5m4.4m shares |
| WOLVERINE ASSET MANAGEMENT LLC | Added | $92.4m4.1m shares |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | New | $67.2m3.2m shares |
| Point72 Asset Management, L.P. | Added | $60.0m2.6m shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| JANE STREET GROUP, LLC 13G · passive investor -1.1 pts · filed 2026-08-13 | 7.4% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 6.3% |
| CAPITAL VENTURES INTERNATIONAL 13G · passive investor -1.1 pts · filed 2026-08-14 | 5.1% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-07-31 | 5.1% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 4 | $1.7m | $776.8k |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 4 | $6.8m | — |
| Q2 2025 | 0 | — | 4 | $27.4m | $13.5m |
| Q3 2025 | 0 | — | 4 | $15.9m | $14.1m |
| Q4 2025 | 0 | — | 2 | $3.5m | — |
| Q1 2026 | 0 | — | 0 | — | — |
None reported in Q1 2026.
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.02% of their portfolio | 43.4m $987.3m | Added +1.7m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.02% of their portfolio | 32.9m $749.0m | First filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.04% of their portfolio | 29.6m $673.3m | First filing |
| STATE STREET CORP 0.02% of their portfolio | 22.0m $501.3m | Reduced -132.5k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 14.2m $321.1m | Added +347.4k |
| UBS Group AG 0.05% of their portfolio | 12.1m $274.9m | Added +4.7m |
| Invesco Ltd. 0.03% of their portfolio | 11.8m $269.0m | Added +1.9m |
| MORGAN STANLEY 0.01% of their portfolio | 7.7m $174.7m | Reduced -3.6m |
| MARSHALL WACE, LLP 0.18% of their portfolio | 7.2m $163.7m | Added +7.1m |
| Defiance ETFs, LLC 2.04% of their portfolio | 6.2m $141.6m | New |
| BNP PARIBAS FINANCIAL MARKETS 0.08% of their portfolio | 5.4m $123.7m | Added +924.5k |
| DISCIPLINED GROWTH INVESTORS INC /MN 2.32% of their portfolio | 5.0m $113.6m | Reduced -4.7m |
| WELLS FARGO & COMPANY/MN 0.02% of their portfolio | 5.0m $113.2m | Added +1.9m |
| JANE STREET GROUP, LLC 0.11% of their portfolio | 4.4m $100.6m | Added +4.3m |
| NORTHERN TRUST CORP 0.01% of their portfolio | 4.3m $98.7m | Reduced -60.8k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 4.2m $94.8m | Added +108.7k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 4.1m $92.9m | Added +111.4k |
| Legal & General Group Plc 0.02% of their portfolio | 4.0m $90.6m | Added +22.4k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 3.9m $88.7m | Added +960.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% of their portfolio | 3.8m $85.7m | Added +286.7k |
| BARCLAYS PLC 0.03% of their portfolio | 3.6m $82.8m | Reduced -850.9k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 3.4m $78.4m | Reduced -1.4m |
| VANGUARD FIDUCIARY TRUST CO 0.02% of their portfolio | 2.9m $65.4m | First filing |
| CITIGROUP INC 0.04% of their portfolio | 2.8m $63.8m | Added +572.7k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.04% of their portfolio | 2.7m $62.5m | Reduced -912.2k |
| NATIONAL BANK OF CANADA /FI/ 0.06% of their portfolio | 2.7m $60.4m | Added +286.6k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 2.4m $55.5m | Reduced -89.2k |
| HAWK RIDGE CAPITAL MANAGEMENT LP 1.92% of their portfolio | 2.3m $52.9m | New |
| Marex Group Ltd 0.53% of their portfolio | 2.2m $51.1m | Reduced -770.0k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 2.0m $42.2m | Added +904.9k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 2.0m $45.2m | Added +245.9k |
| HRT FINANCIAL LP 0.15% of their portfolio | 1.8m $42.1m | Added +458.3k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.06% of their portfolio | 1.8m $41.5m | Added +1.1m |
| Amundi 0.01% of their portfolio | 1.7m $38.5m | Reduced -730.9k |
| CITADEL ADVISORS LLC 0.03% of their portfolio | 1.6m $37.1m | Reduced -5.0m |
| NEEDHAM INVESTMENT MANAGEMENT LLC 1.88% of their portfolio | 1.6m $36.8m | Added +236.5k |
| Swiss National Bank 0.02% of their portfolio | 1.6m $35.9m | Added +111.1k |
| HSBC HOLDINGS PLC 0.02% of their portfolio | 1.5m $33.9m | Reduced -770.0k |
| Weiss Asset Management LP 0.58% of their portfolio | 1.4m $31.8m | Added +399.0k |
| Nuveen, LLC 0.01% of their portfolio | 1.4m $31.2m | Reduced -43.9k |
| BANK OF MONTREAL /CAN/ 0.01% of their portfolio | 1.3m $30.5m | Reduced -1.2m |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 1.3m $29.7m | Reduced -45.5k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.02% of their portfolio | 1.2m $28.2m | Added +96.0k |
| Sumitomo Mitsui Trust Group, Inc. 0.02% of their portfolio | 1.2m $27.7m | Reduced -41.7k |
| CANTOR FITZGERALD, L. P. 0.96% of their portfolio | 1.2m $26.4m | Reduced -385.6k |
| Vanguard Global Advisers, LLC 0.01% of their portfolio | 1.1m $25.1m | First filing |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 1.0m $23.2m | Added +34.0k |
| NATIXIS 0.09% of their portfolio | 1.0m $22.8m | Reduced -72.6k |
| CAPITAL FUND MANAGEMENT S.A. 0.20% of their portfolio | 978.3k $22.3m | Added +320.2k |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 906.9k $20.7m | Added +745.8k |
| Clear Street Group Inc. 0.11% of their portfolio | 896.7k $20.4m | Reduced -806.5k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.02% of their portfolio | 885.4k $20.2m | First filing |
| LPL Financial LLC 0.01% of their portfolio | 871.2k $19.8m | Added +35.4k |
| SG Americas Securities, LLC 0.02% of their portfolio | 856.6k $19.5m | Added +471.3k |
| MIZUHO MARKETS AMERICAS LLC 0.54% of their portfolio | 847.4k $19.3m | Reduced -95.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 812.9k $18.5m | Reduced -23.0k |
| CREDIT AGRICOLE S A 0.06% of their portfolio | 780.7k $17.8m | Added +150.5k |
| Schonfeld Strategic Advisors LLC 0.14% of their portfolio | 752.4k $17.1m | New |
| Quadrature Capital Ltd 0.20% of their portfolio | 737.5k $16.8m | Added +653.8k |
| IMC-Chicago, LLC 0.25% of their portfolio | 726.4k $16.5m | Reduced -504.4k |
| Walleye Trading LLC 0.34% of their portfolio | 726.2k $16.5m | Added +241.3k |
| NOMURA HOLDINGS INC 0.13% of their portfolio | 711.7k $16.2m | Added +591.8k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 706.2k $16.1m | Reduced -18.1k |
| California Public Employees Retirement System 0.01% of their portfolio | 706.0k $16.1m | Reduced -26.1k |
| HERALD INVESTMENT MANAGEMENT Ltd 2.22% of their portfolio | 699.5k $15.9m | Reduced -10.0k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.06% of their portfolio | 691.4k $15.7m | Added +682.2k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio | 657.4k $15.0m | Reduced -1.7m |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 649.5k $14.7m | Reduced -63.6k |
| FIRST TRUST ADVISORS LP 0.01% of their portfolio | 620.5k $14.1m | Reduced -293.6k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 565.7k $12.9m | Added +7.4k |
| GROUP ONE TRADING LLC 0.41% of their portfolio | 539.0k $12.3m | Added +493.5k |
| Ardmore Road Asset Management LP 0.79% of their portfolio | 525.0k $12.0m | New |
| TORONTO DOMINION BANK 0.02% of their portfolio | 522.0k $11.9m | Reduced -21.9k |
| RPG Investment Advisory, LLC 1.42% of their portfolio | 517.0k $11.8m | Added +761 |
| Engineers Gate Manager LP 0.14% of their portfolio | 499.3k $11.4m | New |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 498.2k $14.6m | Reduced -41.9k |
| Aberdeen Group plc 0.02% of their portfolio | 486.7k $11.1m | Added +18.7k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 484.7k $11.0m | Reduced -378.3k |
| Trexquant Investment LP 0.08% of their portfolio | 462.4k $10.5m | Reduced -128.5k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.02% of their portfolio | 459.2k $10.5m | Reduced -3.4k |
| AVIVA PLC 0.02% of their portfolio | 438.0k $10.0m | Added +14.0k |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 432.6k $9.8m | Added +79.7k |
| PEAK6 LLC 0.28% of their portfolio | 431.7k $9.8m | Reduced -1.6m |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 423.6k $9.6m | Added +141.8k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 395.1k $9.0m | Reduced -7.3k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.01% of their portfolio | 388.9k $8.9m | Reduced -13.8k |
| Korea Investment CORP 0.02% of their portfolio | 388.8k $8.9m | Added +140.3k |
| OPPENHEIMER & CO INC 0.11% of their portfolio | 381.8k $8.7m | Added +61.5k |
| Vident Advisory, LLC 0.07% of their portfolio | 369.6k $8.4m | Reduced -14.2k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 366.3k $8.3m | Reduced -472.3k |
| Ensign Peak Advisors, Inc 0.02% of their portfolio | 363.4k $8.3m | Added +15.2k |
| Nepsis Inc. 2.73% of their portfolio | 358.4k $8.2m | Reduced -3.9k |
| FMR LLC 0.00% of their portfolio | 357.1k $8.1m | Reduced -90.2k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.01% of their portfolio | 340.9k $7.8m | Added +48.6k |
| Cetera Investment Advisers 0.01% of their portfolio | 339.0k $7.7m | Added +6.5k |
| Centiva Capital, LP 0.36% of their portfolio | 338.3k $7.7m | Added +215.5k |
| DIVERSIFY WEALTH MANAGEMENT, LLC 0.15% of their portfolio | 327.4k $8.6m | New |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 325.7k $7.4m | Reduced -52.1k |
| NAVELLIER & ASSOCIATES INC 0.75% of their portfolio | 315.6k $7.2m | Added +5.2k |
| Leonteq Securities AG 0.42% of their portfolio | 302.3k $6.9m | Added +66.6k |